NGK B4LM Olive Detachable Spark Plug  Dimensions: Base Ø 14 mm, Thread length: 9.50 mm Assembled with a 21mm wrench Applications: For lawn mower engines, brush cutters, generators, 4-stroke engines <ul...

BM6A spark plug with detachable olive  Improved electrical conductivity for better electrical energy transmission Optimal heat dissipation to prevent overheating and improve performance Increased spark power for more efficient combustion Reduced fuel consumption for long-term cost savings Increased durability...

BM7A Removable Olive Spark Plug NGK BM7A Replacement Spark Plug 14 mm thread diameter, 19 mm spark plug wrench, 9.50 mm thread length Suitable to replace original spark plugs CHAMPION CJ3, CJ4, CJ6, LJ14, BOSH HS8E, WS5E, WS7E,...